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modified: ../../src/de/dhbwstuttgart/typeinference/unify/RuleSet.java

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modified:   ../../src/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
	modified:   ../../src/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
	modified:   ../../src/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
	modified:   ../../src/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java

1. Version mit compare von UnifyPairs
This commit is contained in:
Martin Plümicke 2018-03-07 13:09:47 +01:00
parent bb016e6417
commit ccc16fd22b
5 changed files with 18 additions and 14 deletions
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5
src/de/dhbwstuttgart/typeinference/unify/RuleSet.java
View File

@ -699,6 +699,8 @@ public class RuleSet implements IRuleSet{
return Optional.of(new UnifyPair(((SuperType) rhsType).getSuperedType(), lhsType, PairOperator.SMALLERDOTWC));
}
/* PL 2018-03-06 auskommentiert sind mutmaßlich falsch
* vgl. JAVA_BSP/Wildcard6.java
@Override
public Optional<UnifyPair> reduceWildcardLowUp(UnifyPair pair) {
if(pair.getPairOp() != PairOperator.SMALLERDOTWC)
@ -725,6 +727,7 @@ public class RuleSet implements IRuleSet{
return Optional.of(new UnifyPair(((SuperType) lhsType).getSuperedType(), ((ExtendsType) rhsType).getExtendedType(), PairOperator.EQUALSDOT));
}
@Override
public Optional<UnifyPair> reduceWildcardLeft(UnifyPair pair) {
if(pair.getPairOp() != PairOperator.SMALLERDOTWC)
@ -741,7 +744,7 @@ public class RuleSet implements IRuleSet{
return Optional.empty();
}
*/
@Override
public Optional<Set<UnifyPair>> reduceFunN(UnifyPair pair) {
if((pair.getPairOp() != PairOperator.SMALLERDOT)

7
src/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
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@ -403,9 +403,10 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
opt = opt.isPresent() ? opt : rules.reduceWildcardLowRight(pair);
opt = opt.isPresent() ? opt : rules.reduceWildcardUp(pair);
opt = opt.isPresent() ? opt : rules.reduceWildcardUpRight(pair);
opt = opt.isPresent() ? opt : rules.reduceWildcardLowUp(pair);
opt = opt.isPresent() ? opt : rules.reduceWildcardUpLow(pair);
opt = opt.isPresent() ? opt : rules.reduceWildcardLeft(pair);
//PL 2018-03-06 auskommentiert muesste falsch sein vgl. JAVA_BSP/Wildcard6.java
//opt = opt.isPresent() ? opt : rules.reduceWildcardLowUp(pair);
//opt = opt.isPresent() ? opt : rules.reduceWildcardUpLow(pair);
//opt = opt.isPresent() ? opt : rules.reduceWildcardLeft(pair);
// Reduce TPH
opt = opt.isPresent() ? opt : rules.reduceTph(pair);

4
src/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java
View File

@ -27,9 +27,13 @@ public interface IRuleSet {
public Optional<UnifyPair> reduceWildcardLowRight(UnifyPair pair);
public Optional<UnifyPair> reduceWildcardUp(UnifyPair pair);
public Optional<UnifyPair> reduceWildcardUpRight(UnifyPair pair);
/*
* vgl. JAVA_BSP/Wildcard6.java
public Optional<UnifyPair> reduceWildcardLowUp(UnifyPair pair);
public Optional<UnifyPair> reduceWildcardUpLow(UnifyPair pair);
public Optional<UnifyPair> reduceWildcardLeft(UnifyPair pair);
*/
/*
* Additional Rules which replace cases of the cartesian product

3
src/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java
View File

@ -439,6 +439,9 @@ public class FiniteClosure extends Ordering<UnifyType> implements IFiniteClosure
}
public int compare (UnifyType left, UnifyType right, PairOperator pairop) {
if ((left instanceof ExtendsType && right instanceof ReferenceType)
|| (right instanceof ExtendsType && left instanceof ReferenceType))
System.out.println("");
UnifyPair up = new UnifyPair(left, right, pairop);
TypeUnifyTask unifyTask = new TypeUnifyTask();
HashSet<UnifyPair> hs = new HashSet<>();

13
src/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
View File

@ -114,20 +114,13 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
}
//Fall 1 und 4
if (lefteq.size() == 1 && righteq.size() == 1 && (leftlewc.size() > 0 || rightlewc.size() > 0)) {
//TODO 2018-03-02: hier muessen mehree =. eingefuegt werden und alle weiteren Faelle pruefen
UnifyPair lseq = lefteq.iterator().next();
UnifyPair rseq = righteq.iterator().next();
/*Set<UnifyPair> lsle = left.stream()
.filter(x -> (x.getLhsType() instanceof PlaceholderType && x.getPairOp() == PairOperator.SMALLERDOTWC))
.collect(Collectors.toCollection(HashSet::new));
Set<UnifyPair> rsle = right.stream()
.filter(x -> (x.getLhsType() instanceof PlaceholderType && x.getPairOp() == PairOperator.SMALLERDOTWC))
.collect(Collectors.toCollection(HashSet::new));
*/
Pair<Integer, Set<UnifyPair>> int_Unifier = compare(lseq.getRhsType(), rseq.getRhsType());
Unifier uni = new Unifier();
int_Unifier.getValue().stream().forEach(x -> uni.add((PlaceholderType) x.getLhsType(), x.getRhsType()));
if (lseq.equals(rseq) || leftlewc.size() == 0 || rightlewc.size() == 0) return int_Unifier.getKey();
if (!lseq.getRhsType().getName().equals(rseq.getRhsType().getName())
|| leftlewc.size() == 0 || rightlewc.size() == 0) return int_Unifier.getKey();
else {
Set <UnifyPair> lsleuni = leftlewc.stream().map(uni::apply).collect(Collectors.toCollection(HashSet::new));
Set <UnifyPair> rsleuni = rightlewc.stream().map(uni::apply).collect(Collectors.toCollection(HashSet::new));
@ -148,7 +141,7 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
si = lslewcstr.map(x -> compare(x, hm.get(x.getRhsType()))).reduce((x,y)-> { if (x == y) return x; else return 0; } );
}
if (!si.isPresent()) return 0;
else if (si.get() == int_Unifier.getKey()) return int_Unifier.getKey(); else return 0;
else return si.get();
}
}